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NAS600-18P
Machine Screw
Description
Fastener Length: 1-7/64", Thread: 4-40, Thread Length: 1-7/64
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 1.053 inches minimum and 1.120 inches maximum |
| Head Diameter | 0.205 inches minimum and 0.219 inches maximum |
| Head Height | 0.070 inches minimum and 0.080 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 7/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | Ams 6300 assn std 1st material response or mil-s-6050 mil spec 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416,ty 2 cl 2 fed spec single treatment response |
| Sold In | EA |
| Specification Data | 80205-nas6000 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 1.008 inches minimum and 1.120 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
| Weight | .15 lb |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS600-18 NAS #4-40 · 0.073 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error